801331 divided by 19 
The aim is to understand the frequency of 19 in 801331.

Going ahead to step 1:
When dividing 8 by 19, we get 0 with a remainder of 8.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Bring next digit (0) of the dividend behind the 8 and repeat the process: 80 / 19

Moving on to step 2:
When dividing 80 by 19, we get 4 with a remainder of 4.
Record the quotient 4 as the next digit in the result. 
Result so far: 4.0
If we subtract 76 from 80, we get 4.
Grab the next digit (1) from the dividend, add it to 4, then carry on: 41 / 19

Going ahead to step 3:
19 goes into 41 2 times with a remainder of 3.
Use 2 as the next digit of our solution. 
Result so far: 42.0
If we subtract 38 from 41, we get 3.
Grab the next digit (3) from the dividend, add it to 3, then carry on: 33 / 19

On to step 4:
When dividing 33 by 19, we get 1 with a remainder of 14.
Record the quotient 1 as the next digit in the result. 
Result so far: 421.0
If we subtract 19 from 33, we get 14.
Grab the next digit (3) from the dividend, add it to 14, then carry on: 143 / 19

Going ahead to step 5:
If we divide 143 by 19, we get 7 and a remainder of 10.
Write down 7 as next digit of the result. 
Result so far: 4217.0
If we take 133 away from 143, we end up with 10.
Take the next digit (1) from the dividend and append it to 10, then repeat: 101 / 19

Advancing to step 6:
19 goes into 101 5 times with a remainder of 6.
Write down 5 as next digit of the result. 
Result so far: 42175.0
Subtract 95 from 101 to get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

On to step 7:
The number 19 fits into 60 3 times, leaving a remainder of 3.
Use 3 as the next digit of our solution. 
Result so far: 42175.3
If we subtract 57 from 60, we get 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Moving on to step 8:
30 divided by 19 is 1 with a remainder of 11.
Put 1 as the next digit of the answer. 
Result so far: 42175.31
Deduct 19 from 30 and we're left with 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Let's proceed to step 9:
19 goes into 110 5 times with a remainder of 15.
Record the quotient 5 as the next digit in the result. 
Result so far: 42175.315
If we subtract 95 from 110, we get 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

On to step 10:
The number 19 fits into 150 7 times, leaving a remainder of 17.
The number 7 becomes the next digit in our result. 
Result so far: 42175.3157
Subtracting 133 from 150 leaves us with 17.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Moving on to step 11:
When dividing 170 by 19, we get 8 with a remainder of 18.
Write down 8 as next digit of the result. 
Result so far: 42175.31578
Subtract 152 from 170 to get 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

On to step 12:
180 divided by 19 is 9 with a remainder of 9.
The number 9 becomes the next digit in our result. 
Result so far: 42175.315789
Deduct 171 from 180 and we're left with 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Let's proceed to step 13:
19 can be fit into 90 4 times, resulting in a remainder of 14.
The number 4 becomes the next digit in our result. 
Result so far: 42175.3157894
Subtracting 76 from 90 leaves us with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Moving on to step 14:
140 divided by 19 is 7 with a remainder of 7.
The number 7 becomes the next digit in our result. 
Result so far: 42175.31578947
Subtracting 133 from 140 leaves us with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

The final outcome is 42175.31578947, with a leftover of 7e-09.